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function queueTime(customers, n) {
  var sorted = customers.sort((a,b)=>b-a);
  var max = Math.max(...sorted);
  var tills = Array(n).fill(0);
  
  while(sorted.length>0){
    for(var i=0;i<n && i<sorted.length;i++)
    {
      tills[i] += sorted.shift();
    }

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function primeFactors(n){
    var list = [];
    var maxi=9999999;
    var maxk=99;

    for(var i=2;n>1;i++){
      var m = null;
      for(var k=1;;k++){
    
        var d = n/Math.pow(i,k);

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class Perceptron {
  constructor(layers, inputs) {
    if (layers[0] !== inputs.length)
      throw new Error("Invalid number of inputs");

    this.l = layers;
    this.activation = val => (val >= 0.5 ? 1 : 0);
    this.learningRate = 0.1;

    this.initWeights();

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const fs = require('fs');
const draco3d = require('draco3d');
const js2obj = require('./js2obj');

const decoderModule = draco3d.createDecoderModule({});
const encoderModule = draco3d.createEncoderModule({});

var data = fs.readFileSync('./testdata/bunny.drc');

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function optimizeGeometry(geometry) {
    var saveVerts = []; 

    geometry.vertices.forEach((vert, i) => {
        var present = geometry.faces.some(face => {
            return face[0] === i || face[1] === i || face[2] === i
        });

        if (present)
            saveVerts.push(i);

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function calcNormal( normals, normal, angle ){
	let allowed = normals.filter( n => n.angleTo( normal ) < angle * Math.PI / 180 );
	
	return allowed.reduce( (a, b) => a.clone().add( b ) ).normalize();
}

THREE.GeometryUtils.computeVertexNormals = function(geometry, angle){
	geometry.computeFaceNormals();
	
	var vertices = geometry.vertices.map( () => [] ); // vertices with normals array

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import * as THREE from 'three';

export class RealZoom {
    constructor({ width, height }, diag) {
        var diagPX = Math.sqrt(width ** 2 + height ** 2);
        var screenWidthInch = width / diagPX * diag;
        var screenWidthCM = 2.54 * screenWidthInch;
        var viewWidthPX = window.innerWidth;
        this.viewWidthCM = viewWidthPX / width * screenWidthCM;
    }

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snail = function(array) {

  var side = 'top';
  var result = [];
  
  while(array.length > 0){
    switch(side){
      case 'top': 
        result.push(...cutRow(0, array));
        side = 'right';

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.alert {
   position: absolute;
   left: 0;
   top: 0;
   width: 100%;
   background: rgba(255, 30,3, 0.7);
   color: white;
   padding: 1%;
   font-size: 120%;
   font-family: monospace;

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const LabMath = {
  "маточікування": function avarage(arr) {
    return arr.reduce((a, b) => a + b, 0) / arr.length;
  },
  "медіана": function(arr) {
    return arr.sort((a, b) => a - b)[Math.floor(arr.length / 2)];
  },
  "напівсума «крайніх» спостережень": function(arr) {
    return (Math.min(...arr) + Math.max(...arr)) / 2;
  },